Durulite QuickSlide, an automated sliding traffic door from Chase Doors features a lightweight panel constructed from roto-molded cross linked polyethylene and non-CFC-insulated foam core. The doors feature pre-assembled box track hardware, nylon rollers for smooth and quiet operation and a simple-to-use PLC control with plug and play connections. Also included are surface-mounted windows, surface-mounted pull handles, NEMA 1 control box and two one-push button stations that operate on standard 110 AC voltage.Chase Doors; Tel. (800) 543-4455; www.chasedoors.com